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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: CISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-31G(2df,p)
 hartrees
Energy at 0K-148.344068
Energy at 298.15K-148.346404
HF Energy-147.861431
Nuclear repulsion energy61.836127
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3320 3320 20.10      
2 A1 2312 2312 499.65      
3 A1 1511 1511 36.24      
4 A1 1267 1267 4.22      
5 B1 632 632 1.50      
6 B1 474 474 133.69      
7 B2 3457 3457 2.42      
8 B2 1180 1180 2.53      
9 B2 453 453 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 7302.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7302.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G(2df,p)
ABC
9.28850 0.38542 0.37007

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.132
N2 0.000 0.000 0.155
N3 0.000 0.000 1.280
H4 0.000 0.949 -1.626
H5 0.000 -0.949 -1.626

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28642.41201.06991.0699
N21.28641.12572.01772.0177
N32.41201.12573.05733.0573
H41.06992.01773.05731.8978
H51.06992.01773.05731.8978

picture of diazomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 180.000 N2 C1 H4 117.515
N2 C1 H5 117.515 H4 C1 H5 124.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability